Lesson 43
Exercise A
1. a, 2. d. 3. c. 4. b. 5. c.
6. d. 7. a. 8. c. 9. a. 10. a.

Exercise B
1. vestibule 2. constellation 3. emissary. 4. telescope. 5. tantalize 6. enigma 7. void 8. lurk 9. conjecture 10. galaxy

Exercise C
1. collapsing 2. telescopes 3. wing 4. adverb 5. garden 6. resolution 7. facts 8. repulses


Lesson 44
Exercise A
1. transistors 2. microwave
3. calculator. 4. computer
5. word processor 6. software
7. laser 8. robotics
9. diskette 10. mouse

Exercise B
1. diskette 2. microwave
3. laser. 4. robotics
5. transistor 6. calculator
7. mouse 8. computer
9. word processor 10. software

Exercise C
1. a. 2. c. 3. b. 4. b. 5. a. 6. d.


Lesson 45
Exercise A
LOOK UP the words AFTER completing the equations!
1. sub = under, marine = sea, ocean
2. inter = between, national = connected to a country, relating to a country
etc.

Exercise B
1. international 2. midpoint 3. submarines 4. substructure 5. intersection
6. subhuman 7. subordinates 8. intermision 9. midrange 10. midair

Exercise C:
subordinate (noun): person of less importance than another person; person lower in a hierarchy than another
subordinate (adj): less important
subordinate: (verb) to make less important


Lesson 46
Exercise A
1. a. 2. c. 3. b. 4. d. 5. b. 6. a. 7. c. 8. d. 9. a 10. c.


Review Unit 12:
Exercise A:
1. international
2. constellations
3. mouse
4. emissary
5. telescopes

Exercise B
1. c. 2. d. 3. a. 4. b. 5. b. 6. b. 7. a. 8. a. 9. c. 10. c.